1)

which of the following causes subsistence farmers to increase labor-intensive practices like weeding, applying manure, and crop rotation?

a.
the need to compete with commercial farmers

b.
the human drive to improve any process

c.
decreasing costs of materials and equipment

d.
the decreasing fertility of agricultural land

e.
the pressure to feed a growing population

2)

why was the new breed of wheat, widely grown starting in the 1960s, called “miracle wheat seed”?

a.
it was discovered by a lucky or miraculous accident.

b.
it was the result of cutting-edge gene-splicing technology.

c.
it produced a higher yield that would address food supply concerns.

d.
it produced equally well without the use of fertilizers.

e.
it was discovered that this type of wheat could grow with little or no water.

3)

which crisis did the green revolution avert?

a.
the population explosion

b.
climate change

c.
worldwide famine

d.
global soil depletion

e.
severe unemployment

4)

which of the following is an important negative consequence of the green revolution?

a.
increased need for fertilizers created economic barriers and environmental problems.

b.
food surpluses led to the collapse of global food markets.

c.
increased farming success caused farmers and nations to convert more land to agricultural use.

d.
fertilizer production put a strain on earth’s limited supply of nitrogen.

e.
increased yields led to a global shortage of farm laborers.